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发布时间:2019-03-07 12:20:06来源:未知点击:

Rain falling on Germany contains radioactive iodine from nuclear reprocessing plants in Britain and France. After analysing the ratio of iodine-129 to the naturally occurring iodine-127 in rainwater, Dieter Aumann and Gunter Krupp of the University of Bonn concluded that iodine-129 is being discharged from Sellafield in Cumbria and Cap de la Hague in Normandy and is carried by currents into the North Sea. It then evaporates and is washed out by rain (Journal of Environmental Radioactivity, vol 46,